Hydrophilic gel from reactive hydrophilic oligomers
First Claim
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1. An absorbent dressing comprising a crosslinked hydrophilic gel absorbent layer of a crosslinkable oligomer composition comprising:
- (1) a first component oligomer comprising a plurality of polymerized monomer units having pendent, free-radically polymerizable functional groups, and a plurality of polymerized monomer units having pendent, hydrophilic poly(alkylene oxide) groups; and
(2) a second component oligomer comprising a plurality of polymerized monomer units having pendent, photoinitiator groups.
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Abstract
Hydrophilic compositions are described, which are prepared from a first oligomer containing pendent polymerizable groups and pendent hydrophilic groups, crosslinked with a co-reactive second component oligomer possessing photoinitiator groups. The compositions may be used as in preparation of hydrophilic gel coatings or layers for medical devices.
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Citations
20 Claims
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1. An absorbent dressing comprising a crosslinked hydrophilic gel absorbent layer of a crosslinkable oligomer composition comprising:
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(1) a first component oligomer comprising a plurality of polymerized monomer units having pendent, free-radically polymerizable functional groups, and a plurality of polymerized monomer units having pendent, hydrophilic poly(alkylene oxide) groups; and (2) a second component oligomer comprising a plurality of polymerized monomer units having pendent, photoinitiator groups. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification